Home / 142,564.38-196,716.93-82,123.22

Finding the Fourth Proportional to 142,564.38, 196,716.93 and 82,123.22

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Solution

The fourth proportional to 142,564.38, 196,716.93 and 82,123.22 is: 113,317.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,564.38 : 196,716.93 = 82,123.22 : x
  2. Step 2: Convert to fraction form
    142,564.38/196,716.93 = 82,123.22/x
  3. Step 3: Cross multiply
    142,564.38x = 196,716.93 × 82,123.22
  4. Step 4: Simplify right side
    142,564.38x = 16,155,027,166.26
  5. Step 5: Solve for x
    x = 16,155,027,166.26/142,564.38
  6. Step 6: Final answer
    x = 113,317.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.